29 lines
940 B
Rust
29 lines
940 B
Rust
// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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// Regression test for #35546. Check that we are able to codegen
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// this. Before we had problems because of the drop glue signature
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// around dropping a trait object (specifically, when dropping the
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// `value` field of `Node<Send>`).
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struct Node<T: ?Sized + Send> {
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next: Option<Box<Node<Send>>>,
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value: T,
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}
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fn clear(head: &mut Option<Box<Node<Send>>>) {
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match head.take() {
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Some(node) => *head = node.next,
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None => (),
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}
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}
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fn main() {}
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